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Apidog vs SoapUI Open Source: catalog facts
Apidog	SoapUI Open Source
Freemium Free to start, with paid tiers for teams.	Free The open source edition is free; the commercial ReadyAPI product is paid.
Web, Browser extension	Windows, macOS, Linux
Design, debugging, mocking and testing in one tool Available as both a desktop and a web client	Strong SOAP and WSDL support Functional test suites with custom scripting
Closed source Broader and heavier than a simple request sender	GraphQL, gRPC and CI integrations are reserved for paid ReadyAPI Website heavily promotes the commercial product
Downloadable app, Web application, Browser extension	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.